<p>When <code>switch</code> statements have large sets of <code>case</code> clauses, it is usually an attempt to map two sets of data. A real map
structure would be more readable and maintainable, and should be used instead.</p>
<h2>Exceptions</h2>
<p>This rule ignores <code>switch</code>es over <code>Enum</code>s and empty, fall-through cases.</p>

